Details

Time bar (total: 6.4s)

sample25.0ms

Algorithm
intervals
Results
5.0ms275×body80nan
4.0ms44×body1280valid
3.0ms45×body640valid
3.0ms140×body80valid
1.0ms14×body320valid
0.0ms13×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.5b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(sqrt (+ x 1.0))
3.6b
(- (sqrt (+ x 1.0)) (sqrt x))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity sqrt-prod
add-log-exp difference-of-squares
pow1 add-cube-cbrt distribute-lft-out--
add-exp-log sqrt-div add-cbrt-cube distribute-lft-out
sub-neg rem-sqrt-square flip3-- sqrt-pow1 flip3-+ pow1/2 diff-log flip-- flip-+
Counts
2 → 35
Calls
2 calls:
4.0ms
(sqrt (+ x 1.0))
22.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

series112.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(sqrt (+ x 1.0))
75.0ms
(- (sqrt (+ x 1.0)) (sqrt x))

simplify1.1s

Counts
41 → 41
Iterations

Useful iterations: 3 (262.0ms)

IterNodesCost
084488
1183440
2498410
31752402
done5000402

prune83.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1.0))
0.0b
(+ (sqrt (+ x 1.0)) (sqrt x))
0.1b
(/ (+ 0 1.0) (+ (sqrt (+ x 1.0)) (sqrt x)))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
74×*-un-lft-identity
32×distribute-lft-out
28×sqrt-prod
24×times-frac
17×add-sqr-sqrt
16×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ flip-+ associate-/l*
sqrt-div associate-/r/ associate-/l/
cbrt-undiv +-commutative rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num sum-log div-inv
Counts
3 → 80
Calls
3 calls:
4.0ms
(sqrt (+ x 1.0))
17.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
30.0ms
(/ (+ 0 1.0) (+ (sqrt (+ x 1.0)) (sqrt x)))

series253.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(sqrt (+ x 1.0))
71.0ms
(+ (sqrt (+ x 1.0)) (sqrt x))
150.0ms
(/ (+ 0 1.0) (+ (sqrt (+ x 1.0)) (sqrt x)))

simplify494.0ms

Counts
89 → 89
Iterations

Useful iterations: done (492.0ms)

IterNodesCost
01631403
13861139
212121054
done50011048

prune196.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (sqrt (+ x 1.0)))
0.1b
(sqrt (sqrt (+ x 1.0)))
0.1b
(/ (+ 0 1.0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
0.3b
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
106×sqrt-prod
63×add-sqr-sqrt
55×*-un-lft-identity
40×sqrt-pow1
32×sqrt-div
31×pow1
29×add-cube-cbrt
20×pow1/2
18×swap-sqr
12×times-frac distribute-lft-out
10×flip3-+ associate-*r* associate-*l* flip-+
pow-prod-up unswap-sqr
add-exp-log add-cbrt-cube
pow-prod-down pow-sqr
frac-times rem-sqrt-square associate-/l* add-log-exp
associate-/r*
associate-*r/ associate-*l/ associate-/r/ associate-/l/
cbrt-undiv pow2 frac-2neg pow-plus sqrt-unprod div-exp prod-exp clear-num rem-square-sqrt *-commutative cbrt-unprod div-inv
Counts
4 → 167
Calls
4 calls:
5.0ms
(sqrt (sqrt (+ x 1.0)))
5.0ms
(sqrt (sqrt (+ x 1.0)))
34.0ms
(/ (+ 0 1.0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
28.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

series376.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(sqrt (sqrt (+ x 1.0)))
95.0ms
(sqrt (sqrt (+ x 1.0)))
155.0ms
(/ (+ 0 1.0) (+ (* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0)))) (sqrt x)))
32.0ms
(* (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))))

simplify829.0ms

Counts
179 → 179
Iterations

Useful iterations: done (822.0ms)

IterNodesCost
02603210
15671921
220201808
done50011804

prune361.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
0.2b
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
40×sqrt-prod
28×sqrt-div
27×add-sqr-sqrt
23×*-un-lft-identity associate-*r*
16×pow1
15×add-cube-cbrt
12×cbrt-prod
11×add-exp-log add-cbrt-cube
10×cbrt-div associate-*r/ pow-prod-down
flip3-+ flip-+
associate-*l*
unswap-sqr
sqrt-pow1 pow1/2
frac-times prod-exp cbrt-unprod distribute-lft-out add-log-exp
sqrt-unprod
pow1/3 associate-*l/ *-commutative
Counts
4 → 105
Calls
4 calls:
16.0ms
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
42.0ms
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
2.0ms
(cbrt (+ x 1.0))
2.0ms
(cbrt (+ x 1.0))

series411.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0))))
111.0ms
(* (* (sqrt (fabs (cbrt (+ x 1.0)))) (sqrt (sqrt (+ x 1.0)))) (sqrt (sqrt (cbrt (+ x 1.0)))))
95.0ms
(cbrt (+ x 1.0))
95.0ms
(cbrt (+ x 1.0))

simplify724.0ms

Counts
117 → 117
Iterations

Useful iterations: 2 (236.0ms)

IterNodesCost
02672439
16252217
221002071
done50012071

prune505.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes35.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: done (1.0ms)

IterNodesCost
0911
11211
done129

end0.0ms

sample682.0ms

Algorithm
intervals
Results
149.0ms1723×body1280valid
143.0ms7968×body80nan
83.0ms1228×body640valid
82.0ms4137×body80valid
34.0ms606×body320valid
11.0ms306×body160valid